Home / 1,100,945.10-1,651,021.31-381,091.22

Finding the Fourth Proportional to 1,100,945.10, 1,651,021.31 and 381,091.22

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Solution

The fourth proportional to 1,100,945.10, 1,651,021.31 and 381,091.22 is: 571,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,945.10 : 1,651,021.31 = 381,091.22 : x
  2. Step 2: Convert to fraction form
    1,100,945.10/1,651,021.31 = 381,091.22/x
  3. Step 3: Cross multiply
    1,100,945.10x = 1,651,021.31 × 381,091.22
  4. Step 4: Simplify right side
    1,100,945.10x = 629,189,715,113.34
  5. Step 5: Solve for x
    x = 629,189,715,113.34/1,100,945.10
  6. Step 6: Final answer
    x = 571,499.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.